Why?

I like a boy and i am a girl.why anybody don't love me(LOVE BETWEEN A GIRL AND BOY).i am 13.people say i am quiet good looking .i also feel the same.my sister also have a boyfriend.why i dont have any one with whom i can share my feeling.i just pray to allah pls send a good looking boy.pls give me some tips to look perfect to a boy and my crush.